Factory workers at a machine shop

1029 × 1024

Factory workers at their stations

2200 × 1723

Great Lakes Engineering Works

4000 × 3154

Workers at a port construction site

1000 × 661

Ship in Dry Dock — Black, Industrial

1920 × 1080

Factory floor with workers

2839 × 2240

Industrial site with smokestack

1024 × 725

Men on a hillside overlooking a city

2200 × 1938

Worker operating industrial machinery

4500 × 6291

Steam locomotives in a repair shop

2000 × 2116

Hand Cleaning Belts at Blackhall

1456 × 1040

Hand Cleaning Belts at Blackhall

1504 × 1040